2,3,3',4,4',5'-Hexachlorobiphenyl (157) Back Catalog number: 68157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673964 Chlorfluazuron, 10.0 µg/ml, Cyclohexane, 10ml Price on request 684247 2-Nitropropane, 1000mg Price on request 675757 Disulfoton-sulfoxide, 100 µg/ml, Acetonitrile, 5 Price on request